Integer overflow in shadow-utils



Published: 2016-07-22 | Updated: 2016-12-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-6252
CWE-ID CWE-190
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		shadow
Universal components / Libraries / Libraries used by multiple products

Vendor Mark Florian

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU6431

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6252

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code on the target system with escalated privileges.

The vulnerability exists due to integer overflow in shadow-utils. A local user can execute arbitrary code on the target system with root privileges.

Mitigation

Install update from GIT repository.

Vulnerable software versions

shadow: 4.2.1

External links

http://github.com/shadow-maint/shadow/issues/27


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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